Examples of Exchange Surfaces

1.1.1MRS GRENC

1.1.2M.R.S.

1.1.3G.R.E.N.C.

1.2.1Types of Cells

1.2.2Properties of Prokaryotes

1.2.3Structure of Eukaryotic Cells

1.2.4Organisms: Animals & Plants

1.2.5Other Kingdoms

1.2.6Pathogens

1.2.7Viruses

2.1.1Cells

2.1.2Tissues

2.1.3Organs

2.1.4Organ Systems

2.1.5Organisms

2.1.6Animal cells

2.1.7Plant cells

2.1.8Cell Differentiation

2.1.9Stem Cells

2.1.10Uses of Stem Cells

2.1.11Disadvantages of Stem Cells

2.1.12End of Topic Test - Cell Types & Structures

2.1.13Exam-Style Questions - Cells

2.1.14Diffusion

2.1.15Factors affecting Diffusion

2.1.16Surface Area to Volume Ratio

2.1.17Diffusion - Experiment

2.1.18Osmosis

2.1.19Required Practical - Osmosis

2.1.20Active Transport

2.1.21Transport in Cells

2.1.22End of Topic Test - Cell Transport

2.1.23Grade 9 - Cell Transport

2.1.24Exam-Style Questions - Substance Exchange

2.2.1Chemical Elements

2.2.2Larger Molecules

2.2.3Required Practical - Food Testing

2.2.4Enzymes

2.2.5Rate of Enzyme Action

2.2.6Investigating Effect of pH on Amylase

2.2.7Grade 9 - Enzymes

2.3.1Photosynthesis

2.3.2Photosynthesis Equation

2.3.3Factors affecting Rate of Photosynthesis

2.3.4Photosynthesis - Calculations

2.3.5Investigating Photosynthesis

2.3.6Testing Leaves for Starch

2.3.7Grade 9 - Photosynthesis Experiment

2.3.8Exam-Style Questions - Rate of Photosynthesis

2.3.9Leaf Adaptations

2.3.10Ion Deficiencies

2.3.11Human Diet

2.3.12Vitamins and Minerals

2.3.13Dietary Needs

2.3.14Human Digestive System

2.3.15Peristalsis

2.3.16Villi

2.3.17Digestive Enzymes

2.3.18Amylase

2.3.19Protease

2.3.20Lipase

2.3.21Bile

2.3.22End of Topic Test - Enzymes & Nutririon

2.3.23Exam-Style Questions - Enzymes & Digestion

3.1.1Respiration

3.1.2Aerobic and Anaerobic

3.1.3Investigating Respiration

3.1.4End of Topic Test - Respiration

3.2.1Guard Cells & Stomata

3.2.2States of Stomata

3.2.3Plant Gas Exchange

3.2.4Human Thorax

3.2.5Breathing Process

3.2.6Gas Exchange in Lungs

3.2.7Exchange Surfaces

3.2.8Alveoli

3.2.9Breath Composition

3.2.10Exercise and Breathing

3.2.11Smoking

3.3.1Surface Area to Volume Ratio

3.3.2Exchange Surfaces

3.3.4Root Hair Cells

3.3.5Transpiration

3.3.6Rate of Transpiration

3.3.7Measuring Transpiration

3.3.8Xylem

3.3.9Translocation

3.3.10Blood Components

3.3.11Plasma

3.3.12Red Blood Cell

3.3.13Platelets

3.3.14The Immune System

3.3.15Antibodies

3.3.16Vaccination

3.3.17Types of Blood Vessel

3.3.18Blood Vessels - Arteries

3.3.19Blood Vessels - Veins

3.3.20Blood Vessels - Capillaries

3.3.21Function of the Heart

3.3.22Structure of the Heart

3.3.23Heart Rate

3.3.24Heart Disease

3.3.25Double Circulatory System

3.3.26Important Blood Vessels

3.3.27End of Topic - Transport

3.3.28Exam-Style Questions - The Heart

3.4.1Excretion

3.4.2Kidneys

3.4.3Urine Production

3.4.4Urinary System

3.4.5Nephron

3.4.6Water in Urine

3.5.1Homeostasis

3.5.2Regulating Internal Conditions

3.5.3Coordinated Responses

3.5.4Types of Tropisms

3.5.5Auxin and Phototropism

3.5.6Nervous System

3.5.7Synapses

3.5.8Reflex Actions

3.5.9Reflex Arc

3.5.10Sense Organs

3.5.11The Eye

3.5.12Eye - Focusing

3.5.13Eye - Adapting to Light

3.5.14Thermoregulation

3.5.15Sweating and Shivering

3.5.16Thermoregulation - Blood Vessels

3.5.17Exam-Style Questions - Homeostasis

3.5.18Endocrine Glands

3.5.19Hormones

3.5.20Nervous vs Endocrine

3.5.21Adrenaline

3.5.22Glucose

3.5.23Puberty

3.5.24Menstruation

3.5.25Menstrual Cycle

3.5.26Menstrual Hormones

3.5.27Grade 9 - Hormonal Coordination

3.5.28End of Topic Test - Coordination & Response

4.1.1Asexual Reproduction

4.1.2Sexual Reproduction

4.1.3Gamete vs Zygote

4.1.4Plant Reproduction

4.1.5Flower Anatomy

4.1.6Germination

4.1.7Pollination

4.1.8Pollination Methods

4.1.9Male Reproductive System

4.1.10Female Reproductive System

4.1.11Pregnancy

4.1.12Exam-Style Questions - Sexual Reproduction

4.2.1Cell Division

4.2.2Meiosis

4.2.3Genome

4.2.4Genome Diagram

4.2.5DNA

4.2.6RNA

4.2.7Protein Synthesis

4.2.8Synthesis Process

4.2.9End of Topic Test - Reproduction & Genetics

4.3.1Alleles

4.3.2Phenotype

4.3.3Monohybrid Inheritance

4.3.4Punnett Square

4.3.5Sex Determination

4.3.6Codominance

4.3.7Cystic Fibrosis Punnett Square

4.3.8Cystic Fibrosis Pedigree Diagram

4.3.9Variation

4.3.10Mutations

4.3.11Natural Selection

4.3.12Evolution

4.3.13Resistant Bacteria

4.3.14End of Topic Test - Variation

4.3.15Grade 9 - Evolution

4.3.16Exam-Style Questions - Cystic Fibrosis

5.1.1Ecosystems

5.1.2Resources

5.1.3Interdependence

5.1.4Growth Factors

5.1.5Assessing Ecosystems

5.1.6Quadrats

5.1.7Required Practical

5.1.8Exam-Style Questions - Sampling

5.1.9Energy Flow

5.1.10Food Chains

5.1.11Trophic Levels

5.1.12Decomposers

5.1.13Pyramids of Biomass

5.1.14Transfer of Biomass

5.1.15Reasons for Wastage

5.1.16End of Topic Test - Food and Trophic Levels

5.1.17Recycling Materials

5.1.18Carbon Cycle

5.1.19Exam-Style Questions - Carbon Cycle

5.1.20Nitrogen Cycle

5.1.21The Nitrogen Cycle and Microorganisms

5.1.22End of Topic Test - Ecosystems

5.1.23Grade 9 - Ecosystems

5.2.1Waste Management

5.2.2Eutrophication

5.2.3Air Pollution

5.2.4Deforestation

5.2.5The Greenhouse Effect

5.2.6Greenhouse Gases

5.2.7Global Warming

5.2.8End of Topic Test - Human Impacts

5.2.9Exam-Style Questions - Air Pollution

6.1.1Intensive Farming - Crop Yield

6.1.2Intensive Farming - Ion Deficiency

6.1.3Intensive Farming - Pest Control

6.1.4Intensive Farming - Fish Farming

6.1.5Microorganisms in Food

6.1.6Factors Affecting Microorganism Growth

6.1.7Industrial Fermentation

6.1.8Selective Breeding

6.1.9Selective Breeding Process

6.1.10Uses of Selective Breeding

6.1.11Exam-Style Questions - Selective Breeding

6.2.1Genetic Engineering

6.2.2Uses of Genetic Engineering

6.2.3Producing Human Proteins in Bacteria

6.2.4Tissue Culture

6.2.5Uses of Tissue Culture

6.2.6Artificial Animal Cloning

6.2.7Exam-Style Questions - Mitosis & Cloning